[Elecraft] K3 Digital Voice Mode - our future?

[Lynn W. Taylor, WB6UUT]

Given that most QSOs are less than interplanetary distances, and given 
that 8 kilobits will probably do for voice, I think we're okay.

73 -- Lynn

On 9/18/2015 9:57 AM, brian wrote:
> Robust maybe but hardly speedy further out.
> Here are some bit rates from HORIZON space craft:
> Jupiter Flyby - 35 kbps
> Pluto - 2000 bps
> http://pluto.jhuapl.edu/Mission/Spacecraft/Data-Collection.php
>
> The bit rate drops to hundreds of bits/second further out.
>
> 73 de Brian/K3KO
>
>
> On 9/18/2015 16:17 PM, Lynn W. Taylor, WB6UUT wrote:
>> Digital tends to be either perfect armchair copy, or fairly unusable.
>>
>> It's going to depend a whole lot on how it's encoded, the data rate, 
>> and how much error detection and correction is used.
>>
>> Bump up the data rate, do some forward error correction and it's 
>> likely to be fairly robust.  Some of the methods used by NASA to 
>> encode signals from deep space probes are incredibly robust.
>>
>> -- Lynn
>>
>> On 9/18/2015 1:18 AM, brian wrote:
>>> Is anybody addressing the issue of QRM from other stations?   I 
>>> suspect digital will fold -- especially when one is trying to detect 
>>> one out of many or a station immersed in splatter from one or more 
>>> stations. 
>>
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>
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